namespace TestConnect
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                string server = "sql01";
                string database = "DocCorp";
                string user = "Администратор";
                string password = "password";
                StringBuilder sb = new StringBuilder(100);
                sb.Append(@"Srvr=""" + server + @""";");
                sb.Append(@"Ref=""" + database + @""";");
                sb.Append(@"Usr=""" + user + @""";");
                sb.Append(@"pwd=""" + password + @""";");
                string connStr = sb.ToString();

                V83.COMConnector connector = null;
                object connection = null;

                Console.WriteLine("Create connector");

                connector = new V83.COMConnector();

                Console.WriteLine("Connector created, connecting");

                connection = connector.Connect(connStr);

                Console.WriteLine("Connected");

                Console.WriteLine("Releasing connection");
                if (connection != null)
                {
                    Marshal.Release(Marshal.GetIDispatchForObject(connection));
                    Console.WriteLine("Released, set Null");
                    connection = null;
                    Console.WriteLine("Connection released");
                }

                Console.WriteLine("Releasing connector");
                if (connector != null)
                {
                    Marshal.Release(Marshal.GetIDispatchForObject(connector));
                    Console.WriteLine("Released, set Null");
                    connector = null;
                    Console.WriteLine("Connector released");
                }

                Console.ReadKey();
                
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error: {0}", ex.Message);
                Console.ReadKey();
            }
        }
    }
}